Rio is a member of one of the school's sports clubs and is fittingly very active, always giving her best when it comes to sports. Her incredible ambition, however, is also her biggest flaw. She urges the other members of the club to train more than they want and can in order to score high in tournaments. Despite her tough and often harsh attitude towards her comrades, she is moved fast and shows tears easily. Rio grew up with Kenji and she eventually developed a crush on him. As he likes older 